A radio frequency (RF) transmit/receive switch. The transmit/receive
switch comprises an impedance matching circuit and a voltage scaling
circuit. The impedance matching circuit matches an incoming RF signal to
a low noise amplifier and an outgoing RF signal from a power amplifier.
The voltage scaling circuit, coupled to the impedance matching circuit,
the power amplifier, and the low noise amplifier, attenuates the outgoing
RF signal to a scaled signal within a breakdown voltage of a transistor
device in the low noise amplifier during transmission of the outgoing RF
signal.